Home / 31,430.63-43,375.48-17,283.17

Finding the Fourth Proportional to 31,430.63, 43,375.48 and 17,283.17

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Solution

The fourth proportional to 31,430.63, 43,375.48 and 17,283.17 is: 23,851.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,430.63 : 43,375.48 = 17,283.17 : x
  2. Step 2: Convert to fraction form
    31,430.63/43,375.48 = 17,283.17/x
  3. Step 3: Cross multiply
    31,430.63x = 43,375.48 × 17,283.17
  4. Step 4: Simplify right side
    31,430.63x = 749,665,534.59
  5. Step 5: Solve for x
    x = 749,665,534.59/31,430.63
  6. Step 6: Final answer
    x = 23,851.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.